Laboratory device



FIG. 1 is a left-hand side view of a laboratory device comprising a new, original and ornamental design;

FIG. 2 is a right-hand side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a front, right-hand side perspective view thereof; and,

FIG. 5 is a top view thereof.

The broken lines in the drawing views are included for the purpose of illustrating the unclaimed portions of the laboratory device and form no part of the claimed design. 

CLAIM The ornamental design for a laboratory device, substantially as shown and described. 